Hello and thanks for reaching out!
Try completely removing Kies mini from your computer and reinstall it following these steps:http://www.samsung.com/us/support/S...
If you are still having issues, please fill out this form http://on.fb.me/sLqKwT
with as much detail as possible including your contact information and an agent will be in direct contact with you.
Thanks and have a great day!
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